Finding the Fourth Proportional to 4,490,423.04, 6,739,892.94 and 2,779,390.62
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Solution
The fourth proportional to 4,490,423.04, 6,739,892.94 and 2,779,390.62 is: 4,171,721.70
Step by Step Solution
- Step 1: Write the proportion equation
4,490,423.04 : 6,739,892.94 = 2,779,390.62 : x - Step 2: Convert to fraction form
4,490,423.04/6,739,892.94 = 2,779,390.62/x - Step 3: Cross multiply
4,490,423.04x = 6,739,892.94 × 2,779,390.62 - Step 4: Simplify right side
4,490,423.04x = 18,732,795,217,240.23 - Step 5: Solve for x
x = 18,732,795,217,240.23/4,490,423.04 - Step 6: Final answer
x = 4,171,721.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.